Groove-cleaning machine



Oct. 21, 1930. H. H. SHUMAKER I GROOVE CLEANING MACHINE Fil ed March 26, 1930 2 Sheets-Sheet 1 /7. fl Shy/176M191."

. Moi/nap;

Oct. 21, 1930- H. H. sH-uMAKER GROOVE CLEANING MAQHINE Filed March 26, 1930 2 sheets-sheet 2 /74 awaken Patented Get. '21, 1930 HowARnH. snU KEa, oF- mrrnrs; rnnnnssnn1 f enoovn-cLnaiv n ifadiiiixin" Application filed March 26, were S eria1.No.l439,'155. -1

This invention relates to an attachment for sawing or end matching 'machines, the pri-ov mary ObJGCl; f the mvention being to provlde which will be automatic in its operation, andone which will be operated bythe stock pass- 5, ing away from thetrimming's'aw.

With the foregoing and other objects in "View, which will appear as the description proceeds, the invention resides in the combi-' nation and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, may be made Within the scope of what is claimed, without departing from the spirit of the invention,

- Referring to the drawings: v

Figure l is an elevational View of a trimming machine equipped with acleaning saw, constructed ill-accordance with the invention.

Figure 2 is a plan view thereof.

Figure 3 is an enlargedsectional view illustrating the. operating means for the cleaning saw.

saw operating means as forced downwardly by the stock passing thereover.

Figure 5 is a plan view illustrating'the cleaning saw in its active p0sition.-

board after it hasbeen grooved. Y Figure 7 is a view of the board after the broken grain has been removed by the cleaning saw.

a Referring to the drawings-in detail, the 4.8 reference character 5 designates the usual saw table of a'flooring trimming saw, over which the stock is moved during the trimming operation. vThe reference character 6 E designates the trimmingsaw, which is op 'f' erated 111 the usual and well known manner,

endr' This head -1 1- issliglitly tartar titre-narrate? 7 Figure 4 is a View illustrating the cleaning Figure 6 is a View illustrating an end of av I *ment of the frame will be permitted,-

"at 'triminingfsaw ematite haft a ,c c A f. i i di i h jf W V 6; 8 7 (5k i i ii ro v gea eua paa zontal *plane, so thatfihe stock: a

gagement with the saw to form fthe igi'oove ea n-dsf'above'the -siirface mile-an "5 the elongated o ening '14 of the siippor ting the; fame/ 17 h wh eh ae aanrg eew re of the wardly,

gra-inf indiatdf by the refereheef character It is of course understood that the saw 3 18{ is mounted on the upper end of the shaft 21, which 1 receives its motion through the.'

medium of a belt operating over a suitable power pulley not shown.

In the operation of the device the stock is 7 fed over the table 5 of the saw machine, in the usual. and well knownmanner, whereupon the saw 6 trims the ends ofthe stock,

and the saw 8 grooves the ends of the stock. ml?

a e eritffnit ei teai a ieis Bearer-tan a; v enga'ges the p As the stock continueson its passage through the machine, the stock engages the head 11 of the shank 10, forcing the shank downwardly allowing the arm 16 to'follow' the inclined surface 18, under the action of the coiled spring 19, whereupon the saw 18'" will engag'ethe broken grain A and remove it.

v gaged by the next boarder stock passing through the machine, the operation being re- Q movable shank for controlling the movementslof the frame to move the end groove cleaning sawinto and out of operation, and

'oted'frameQ i, o .7 a YI n' testimony; that- If claim the foregoing asmy own," IIhave' hereto affixed signak As soon as the stock passes the head-11, V

the action of the coiled spring 12'returns the head to its elevated position totempeated.

I claim:

- 1. In combination with' anend trimming grooving machine, a pivoted vframe mounted on the machlne, an end groove clean ing saw mountedon the frame, a vertically said shank beingoperated by the action of the stock passing through the machine,

2, In combination with ,a trimming, and end grooving machine, a, pivoted fra1ne','a

groove cleaning saw mounted on the frame,

an arm extending from the frame, averti r cally movable shankhaving a cut away porev tion defining'fan' inclined surface against" 7 .which the a'rmr moves, means. for moving the frame'in one direction to bring the sa to its activeposition, and a head on-the upper end of the shank lying in thepath of travel of the stock passing through themachine, to move the shank.

3. }"In combination with shank operating ,within the guide, a pivoted arm oontrolled'by the movement of the shank; a .saw carried by the pivoted frame and adapted tomove into engagement with the stock adjacent to one edge ofthe stock,l and said shank extendinglabovethe ma- 7 chine to be engaged by stock passing through" V the, machine to operate the shanl; andpiv'. 1

ture.

a wood sawing 6 machine, a guide, a vertically movable 

